Siemens 3RT7025-1AG00 Contactor AC-3, 18A, 7.5kW, 36V AC Coil, Screw Terminals, Size S0 Original Brand New
Siemens 3RT7025-1AG00 Contactor AC-3 18A/7,5kW 400V W/O AC 36V 50Hz size S0, screw terminal
- ConditionOriginal Brand New
- Warranty12 months
Backorder available · Factory lead time 2–3 weeks.
- Genuine Products
- Up to 1-Year Warranty
- Global Shipping
- Secure Payment
- PI / Bank Transfer Available
- Bulk Quote Support
Description
Overview
The Siemens 3RT7025-1AG00 is a robust and highly efficient power contactor designed for reliable switching of electrical loads, particularly three-phase motors. As part of the SIRIUS 3RT product family, this contactor is engineered for superior performance and longevity in industrial applications. It is rated for AC-3 duty, making it ideal for standard motor control, and is capable of handling a current of 18A and a power output of up to 7.5kW at 400V. The compact size S0 design makes it suitable for space-constrained installations, while the integrated screw terminals ensure a secure and straightforward wiring process.
Benefit
- High Reliability: Built with high-quality materials and Siemens' renowned engineering, this contactor offers a long electrical and mechanical lifespan, reducing maintenance and downtime.
- Energy Efficiency: The efficient design minimizes power consumption during operation, leading to cost savings over time.
- Space-Saving Design: The compact size S0 form factor allows for higher component density within control cabinets, optimizing panel space.
- Easy Installation: Screw terminals provide a simple and reliable connection, speeding up the installation and commissioning process.
- Versatile Application: Suitable for a wide range of applications, including motor control, lighting systems, and other resistive loads.
Function
The Siemens 3RT7025-1AG00 functions as an electromagnetically operated switch. When the 36V AC control voltage is applied to the coil (A1-A2), a magnetic field is generated, pulling the main contacts closed. This allows power to flow to the connected load. When the control voltage is removed, the magnetic field collapses, and a spring forces the contacts to open, interrupting the power flow. The contactor's AC-3 rating indicates its suitability for frequently switching asynchronous squirrel-cage motors, which require high breaking capacity during motor start-up.
Technical Specification
- Product Type: Power Contactor
- Product Number: 3RT7025-1AG00
- Manufacturer: Siemens
- Series: SIRIUS 3RT
- Rated Operating Current (AC-3): 18A
- Rated Power (AC-3): 7.5 kW at 400V
- Coil Control Voltage: 36V AC, 50Hz
- Size: S0
- Terminal Type: Screw Terminals
- Number of Poles: 3-pole
- Auxiliary Contacts: None (W/O Auxiliary Contacts)
- Mounting: DIN rail mountable
For more high-quality Siemens and other industrial automation products, please visit our website at Turll.
Specifications
| SKU / Model | 3RT7025-1AG00 |
|---|---|
| Weight | 0.35 kg |
| Dimensions | 90 × 50 × 96 mm |
Need bulk pricing or a hard-to-find part?
Request a quote for project quantities, discontinued or obsolete models, and pro-forma invoice / bank transfer orders. Our sourcing team responds fast.



